As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H SLAT TRACK 1-3 HAS WORN AREA AND PITTING CORROSION (MARKED WITH RED) (C-CHECK RO 8/9/2021) BLENDED DAMAGE AT LH SLAT TRACK 1-3 REF-CRJ-700 MHIRJ REO 670-57-42-1094 REV --, DATED 2021-05-17 AND ALL STEPS COMPLETED, OPS TEST GOOD. / COMPLIED WITH TASK 51-900-1002-SKY